Home / 13,943.04-19,236.67-7,970.48

Finding the Fourth Proportional to 13,943.04, 19,236.67 and 7,970.48

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Solution

The fourth proportional to 13,943.04, 19,236.67 and 7,970.48 is: 10,996.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.04 : 19,236.67 = 7,970.48 : x
  2. Step 2: Convert to fraction form
    13,943.04/19,236.67 = 7,970.48/x
  3. Step 3: Cross multiply
    13,943.04x = 19,236.67 × 7,970.48
  4. Step 4: Simplify right side
    13,943.04x = 153,325,493.50
  5. Step 5: Solve for x
    x = 153,325,493.50/13,943.04
  6. Step 6: Final answer
    x = 10,996.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.